Instead of using a countertop bottle warmer, Ember's $400 system can warm your baby's bottle and keep it cool on the go.
https://www.wired.com/review/ember-baby-bottle-system-plus/?utm_source=dlvr.it&utm_medium=blogger
https://www.wired.com/review/ember-baby-bottle-system-plus/?utm_source=dlvr.it&utm_medium=blogger